There are several types of DX clusters used during contests. Most of them have the same type of commands (SH/DX style by the original from AK1A).Below a summary of the most used DX cluster types with some sample commands how to use the DX cluster. For more information read the Help from the cluster you are using.

3.2. CLX

This command lets you set reject filters as defined by your sysop. You first should look up which filters are defined at your CLX node. This is the default list:

Filter Meaning

-------------

1 VHF 144.000 MHz and up

2 HF 30.000 MHz and down

3 TOP 1.800-2.000 MHz

4 all the CW band segments

5 all the SSB band segments

6 all the RTTY band segments

7 all the WARC bands

-------------

Your sysop may or may not have defined further filters. You can find out by using the SHOW/FILTERS command. After you have decided which filters you would like to switch in, you use the command as follows: SET/FILTER 4,6

This turns on the CW and RTTY filters, so will leave you only with SSB spots. To further narrow the filter settings, you can add more filters: SET/FILTER 1,3

The setting is now 1,3,4 and 6 which eliminates all spots except SSB spots on the HF bands from 80 to 10 meters, including the WARC bands.

SET/DXDEDX and SET/NODXDEDX

This command is used to turn off so-called Internet spots. DX spots originating from specific WAZ zones are not forwarded to you when you have issued a SET/NODXDEDX command. This flag is saved in your user record so you will only have to specify it once to turn these (for you) annoying messages of. The default is to send all DX spots.For example, your sysop could have defined zones 03, 04, 05 and 25 as DX zones. If you then turn on the NO-DX-de-DX filter, you will never again receive any spots from these areas although other users probably will.

To look up, which zones were being defined as DX zones, use the command SHOW/DXDEDX.
When you have previously disabled DX spots from other continents with SET/NODXDEDX, you can re-enable them with _SET/DXDEDX__.

SET/DX_ANNOUNCE and SET/NODX_ANNOUNCE

This command turns the reception of DX spots on or off. This could, for example be used if you were reading a lengthy message and did not want DX spots in between the lines. This command is permanent, it will enable or disable the sending of DX spots. To enable the sending of DX-spots use SET/DX_ANNOUNCE

SET/LOGIN_ANNOUNCE

Set to see user logins and logouts locally. For each login or logout, a message is sent to you from the system. On a busy node this will generate a lot of traffic.

The <pattern> has many, many different combinations. For now, I'm going to address just two classes... "by" and "call". "By" means that the spot is "by someone" as in a spot "by k1xx" or "by a VE" or "by someone in Maine"

The exact syntax is:

by_zone - spotter in the CQ Zones, 1-40

by_dxcc - spotter is a W or VE or F or G

by_state - spotter is in ME, CT, RI, NH

Remember, spots "by" means callsign of the station doing the spotting, the spotter.

"Call" on the other hand refers to the call, zone, state of station being spotted, the spottee. The syntax here is:

5.2. CLX

This command lets you set reject filters as defined by your sysop. You first should look up which filters are defined at your CLX node. This is the default list:

Filter Meaning

-------------

1 VHF 144.000 MHz and up

2 HF 30.000 MHz and down

3 TOP 1.800-2.000 MHz

4 all the CW band segments

5 all the SSB band segments

6 all the RTTY band segments

7 all the WARC bands

-------------

Your sysop may or may not have defined further filters. You can find out by using the SHOW/FILTERS command. After you have decided which filters you would like to switch in, you use the command as follows: SET/FILTER 4,6

This turns on the CW and RTTY filters, so will leave you only with SSB spots. To further narrow the filter settings, you can add more filters: SET/FILTER 1,3

The setting is now 1,3,4 and 6 which eliminates all spots except SSB spots on the HF bands from 80 to 10 meters, including the WARC bands.

SET/DXDEDX and SET/NODXDEDX

This command is used to turn off so-called Internet spots. DX spots originating from specific WAZ zones are not forwarded to you when you have issued a SET/NODXDEDX command. This flag is saved in your user record so you will only have to specify it once to turn these (for you) annoying messages of. The default is to send all DX spots.For example, your sysop could have defined zones 03, 04, 05 and 25 as DX zones. If you then turn on the NO-DX-de-DX filter, you will never again receive any spots from these areas although other users probably will.

To look up, which zones were being defined as DX zones, use the command SHOW/DXDEDX.
When you have previously disabled DX spots from other continents with SET/NODXDEDX, you can re-enable them with _SET/DXDEDX__.

SET/DX_ANNOUNCE and SET/NODX_ANNOUNCE

This command turns the reception of DX spots on or off. This could, for example be used if you were reading a lengthy message and did not want DX spots in between the lines. This command is permanent, it will enable or disable the sending of DX spots. To enable the sending of DX-spots use SET/DX_ANNOUNCE

SET/LOGIN_ANNOUNCE

Set to see user logins and logouts locally. For each login or logout, a message is sent to you from the system. On a busy node this will generate a lot of traffic.

The <pattern> has many, many different combinations. For now, I'm going to address just two classes... "by" and "call". "By" means that the spot is "by someone" as in a spot "by k1xx" or "by a VE" or "by someone in Maine"

The exact syntax is:

by_zone - spotter in the CQ Zones, 1-40

by_dxcc - spotter is a W or VE or F or G

by_state - spotter is in ME, CT, RI, NH

Remember, spots "by" means callsign of the station doing the spotting, the spotter.

"Call" on the other hand refers to the call, zone, state of station being spotted, the spottee. The syntax here is: